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A263997 as a simple table

n a(n)
1 1
2 2
3 2
4 2
5 3
6 3
7 4
8 4
9 5
10 5
11 6
12 6
13 7
14 7
15 8
16 8
17 9
18 9
19 10
20 10
21 11
22 11
23 12
24 12
25 13
26 13
27 14
28 14
29 15
30 15
31 16
32 16
33 17
34 17
35 18
36 18
37 19
38 19
39 20
40 20
41 21
42 21
43 22
44 22
45 23
46 23
47 24
48 24
49 25
50 25
51 26
52 26
53 27
54 27
55 28
56 28
57 29
58 29
59 30
60 30
61 31
62 31
63 32
64 32
65 33

[1,2,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,
 12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,
 20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,
 28,28,29,29,30,30,31,31,32,32,33]

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Last modified June 17 22:17 EDT 2019. Contains 324200 sequences. (Running on oeis4.)